...slaves; Ellis Gray Lowell, another Boston lawyer of eminence; Amos Augustus Phelps, a preacher and lecturer, for whose arrest the slaveholders of New Orleans offered a reward of ten thousand dollars; Parker Pillsbury , another preacher and lecturer, who at twenty years of age was the driver of an express wagon, and with no literary education, but who, in order that he might better plead the cause of the slave, wen...